Improvement in saws



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JoHNI.; WARREN, or DETROIT, MICHIGAN.

Lenm Patmz'lv'o. 84,722, daad December s, 186s. l

IMPROVEMENT IN SAWS.

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The Schedule referred to in these Letters Ptent and makingv part of thesame.

. accompanying drawings, and to the letters of reference marked thereon,and .being a part of this specification.

The nature of this invention consists in constructing asaw, so that bothedges' are cutting-edges, while they are so arranged that they operateat anypdesired angle,

relative to each other, for the purpose of cutting dovetails, or othersimilar Work, when a saw of this description may be required. It may beused either by hand, or by being attached toany suitable machinery fordriving it, perpendicularly or horizontall r The drawings showsubstantially, and better than I can describe in language, the form ofconstruction.

Figure 1 is a perspective view of my invention, with a handle, for usewithout machinery.

Figure 2 is a sectional .view of the same, upon the, line a; :v in iig.l.

The same letters indicate like 'parts in each gure.

A represents the handle.

B and C are the two cntting-edges of the saw, the one standing at rightangles with the other, as shown in fi 2. f

VVghat I claim as my invention, and desireto secure by Letters Patent,is

The construction of a saw, substantially as described, With'twocutting-edges, the one operating at any desired angle relative to theother.

JOHN L. WARREN.

